Automation Service has met the process control needs of many different industries throughout the world for the past half-century. It is a remanufacturer of components, which are then used in the manufacture of instruments. This process is cost-effective as the company s remanufactured instruments range from 40 to 70 percent less than the cost of new instruments. Automation Service is one of the largest remanufacturers of process controls throughout the world. These devices control and measure temperature, pressure and flow in the refining of raw materials, including petroleum, chemicals, plastics, electricity, fertilizers, papers, foods, beverages and waste water treatment. Automation Service maintains operations in St. Louis.